Question 2 : There are 40 students in Mrs. Jackson's class, and
1/4 of the class has their own cell phone. Of this group of
students, 1/2 of them are allowed to use social media. How many
of the students have a cell phone and can use social media?

Answer:

Step-by-step explanation:

Income tax = 9.8%

Housing = [tex]\frac{11400}{48900}\times 100[/tex]

              = 23.3%

Food = [tex]\frac{7800}{48900}\times 100[/tex]

         = 16.0%

Clothing = [tex]\frac{900}{48900}\times 100[/tex]

              = 1.8%

Transportation = [tex]\frac{6000}{48900}\times 100[/tex]

                         = 12.3%

Insurance and medical = [tex]\frac{14400}{48900}\times 100[/tex]

                                       = 29.5%

Entertainment = [tex]\frac{1200}{48900}\times 100[/tex]

                        = 2.5%

Emergency funds = [tex]\frac{600}{48900}\times 100[/tex]

                              = 1.2%

Savings for college = [tex]\frac{600}{48900}\times 100[/tex]

                                = 1.2%

Savings for retirement = [tex]\frac{1200}{48900}\times 100[/tex]

                                      = 2.5%

Total = 100%                              

Answer:

Income tax = 9.8%

Housing =

             = 23.3%

Food =

        = 16.0%

Clothing =

             = 1.8%

Transportation =

                        = 12.3%

Insurance and medical =

                                      = 29.5%

Entertainment =

                       = 2.5%

Emergency funds =

                             = 1.2%

Savings for college =

                               = 1.2%

Savings for retirement =

                                     = 2.5%

Total = 100%                              

Step-by-step explanation:

It is 2.1 km from Mary's house to the nearest mailbox.

How far is it in metres.

1 km = 1,000 m

2 km = 2 × 1,000 = 2,000 m

2.1 km = ( 2,000 + 100 ) m = 2,100 m

2,100 m

Therefore, It is 2,100 metre far away from Mary's house.

Answer:

30:1

Step-by-step explanation:

90:3

90÷3=30

3÷3=1

=30:1

Answer:

60%

Step-by-step explanation:

To find the reduction percentage, divide 12 by 20, then multiply by 100:

12/20

= 0.6

0.6(100)

= 60

So, the sweater was reduced by 60%

Answer:

60%

Step-by-step explanation:

[tex]\frac{12}{20} * \frac{x}{100}[/tex]

12 * 100 is 1200

1200/20 = 60

So, therefore the sweater was reduced by 60%.

Hope this helps, have a great day:)

Answer:

D

Step-by-step explanation:

Answer:

3600 x 3.4=122.4 122.4 x 6=Answer

Step-by-step explanation:

Step-by-step explanation:

-30

multiply you'll get a negative number

Answer:

If they are the same size and length

Step-by-step explanation:

Angles are congruent if ,and only if ,they have the same measure.

Hope it helps.

Answer:

[tex]m=-\frac{53}{55} \\m=-0.963[/tex]

Step-by-step explanation:

Rewrite Equation.

[tex]7/4m+8/3m=-55/12[/tex]

Simplify.

[tex]\frac{53}{12m} =-55/12[/tex]

Simplify.

[tex]\frac{53}{12m} =-\frac{55}{12}[/tex]

Multiply the numerator of the first fraction by the denominator of the second fraction. Set this equal to the product of the denominator of the first fraction and the numerator of the second fraction.

[tex]53*12=12m*-55[/tex]

Simplify & Answer:

[tex]m=-\frac{53}{55}[/tex]

Answer:

X = 14

14/2=7

Answer:

x=7

Step-by-step explanation:

you multiply a 2 to one already there and it eliminates the 2 entirely and then you get x=7

Answer:

UV = 15

BD= 31

Step-by-step explanation:

Since, U is the midpoint of TV.

Therefore,

TU = UV

x + 10 = 3x

x - 3x = - 10

-2x = - 10

x = - 10/-2

x = 5

UV = 3x = 3*5

UV = 15

BD = BC + CD

3x - 11 = x - 2 + 19

3x - 11 = x + 17

3x - x = 11 + 17

2x = 28

x = 28/2

x = 14

BD = 3x - 11 = 3*14-11 = 42 - 11

BD= 31

Answer:

no

Step-by-step explanation:

Answer:

C. The student did not put the polynomial in standard form before naming it by the first term. It is a fourth-degree trinomial.

Step-by-step explanation:

A trinomial is a polynomial with three variables. The polynomial -2x³ + 5x⁴ - 3x has three variables hence it is a trinomial.

The degree of a polynomial is the highest degree of a variable in a polynomial equation.

The polynomial -2x³ + 5x⁴ - 3x can be arranged as The polynomial 5x⁴ - 2x³ - 3x, hence the variable with the highest degree is 5x⁴ which has a degree of 4.

Therefore The polynomial -2x³ + 5x⁴ - 3x  has a degree of 4

This means the polynomial -2x³ + 5x⁴ - 3x is a trinomial with a degree of 4

Answer:

Exact Form:

x=−225

Decimal Form:

x=−4.4

Mixed Number Form:

x=−4 2/5

Step-by-step explanation:

Answer:

x = 6

Step-by-step explanation:

1/4 (x-2) + 5 = x

1/4 (x-2) = x - 5

x - 2 = 4(x-5)

x-2 = 4*x + 4*-5

x-2 = 4x - 20

x - 4x = 2 - 20

-3x = -18

x = -18/-3

x = 6

Check:

1/4(6-2) + 5 = 6

1/4(4) + 5 = 6

1 + 5 = 6

Step-by-step explanation:

(-3,2) is equal to (x,y)

x=-3 so 5x becomes 5x-3.

5x-3=-15

y=2 so 2y becomes 2x2.

2x2=4

-15+4=-11

T/F

True

So the answer is Yes, the ordered pair (-3,2) is a solution.

hope it helps!

Answer:

RATIONAL NUMBER

Step-by-step explanation:

22/44=2/4

IT IS IN THE SIMPLEST FORM AND IN THE FORM OF P/Q where as q is not equal to 0.

In a year with 365 days, it should rain for about 240 of those days for the given condition.

It is the ratio of two integers expressed as a decimal fraction of a whole number. It is a statistic for contrasting two sets of data, and the % sign is used to describe it as a percentage. Percentages are often and creatively used. For instance, a lot of data is published as percentages in the media, including bank interest rates, retail discounts, and inflation rates.

It is supposed to rain 66% of the time in Seattle, Washington. Considering that there are 365 days in a year,

Suppose the number of days is it expected to rain obtained be x,

x=66% of 365

x=66/100 × 365

x=240,9 ≈ 240

Thus, it should rain for about 240 days.

Learn more about the percentage here:

brainly.com/question/8011401

#SPJ2

Answer:

all

Step-by-step explanation:

first we can combine 5x and - 2x

5x + -2x = 3x

now we have 3x + 5 > 11

now we can go through all of the numbers to see which numbers make the inequality true

3 yes

3 * 3 = 9

9 + 5 = 14

so all of the numbers make it true

Answer:

d is the right answer

Step-by-step explanation:

3x+5-2x>11

3(3)+5-2(3)>11

8>11

so a is wrong

3(5)+5-2(5)>11

10>11

so b is wrong

3(6)+5-2(6)>11

11>11

 c is wrong bc they equal

Hey there!

[tex]Answer:\boxed{\text{FALSE}}[/tex]

[tex]Explanation:[/tex]

[tex]4(0.2\times-5)=12[/tex]

This equation is false because the value of 4(0.2 * -5) is not equal to 12.

Hope this helps!

Answer:

6 1/2 cubic feet

Step-by-step explanation:

A carton has a length of 2 1/6 feet

The width is 1 1/5 feet

The height is 2 1/2 feet

Therefore the volume of the carton can be calculated as follows

= length × width × height

= 2 1/6 × 1 1/5 × 2 1/2

= 13/6 × 6/5 × 5/2

= 390/60

= 13/2

= 6 1/2 cubic feet

Hence the volume of the carton is 6 1/2 cubic feet

Answer:

5

Step-by-step explanation:

Answer:

x = 21°

Step-by-step explanation:

opposite angles are equal

therefore, (3x + 1)° = 64°

open the brackets

3x + 1 = 64

3x = 64 - 1

3x = 63

divide both sides by 3

x = 21°

Answer:

$-41.77

Step-by-step explanation:

$298.40 multiplied by 2 is $596.8, since Savannah added 2 deposits.

Now we add that to the current balance, -$638.57, to get an answer of $-41.77

Answer:

-41.77

Step-by-step explanation:

Multiply $298.40 by 2 OR add $298.40 + $298.40

either gives you $596.80

Savannah deposited $596.80

You add that to -$638.57

x:

[tex]3x^{2} +x+9[/tex]

y:

[tex]4y+7[/tex]

[tex]6y^{2} +y+3[/tex]

x and y:

[tex]2x-3y^{3} -4[/tex]

[tex]5x+3y+6[/tex]

Answer:

no

Step-by-step explanation:

Answer:

18.

Step-by-step explanation:

4+5 is 9, and 9 times 2 is 18

If he has 484 plants and there are as many rows as there are plants in each row, his field is a square.

The area of a square = (side)^2

In this problem,

Area = 484

side = # of rows

Let's plug our values into the formula above

484 plants = (side)^2

Take the sqrt of both sides.

22 rows = side.

Answer:

This is the answer..........